have same problem at idle . idle ok for 4 sec. then peaks 200rpm for 1sec. somebody have the solution ??
Newbie
just bough sierra 2004 duramax 6.6 lly
have same problem at idle . idle ok for 4 sec. then peaks 200rpm for 1sec. somebody have the solution ??
Enthusiast
If you search this sight I think you'll find a service bulletin related to this problem. I had my 05 fixed @ nchg by the dealer. Again it seem seems like there is a service bulletin... check it out.
Newbie
idle surge repair
went to dealer they change injector harness 700$ nochange still surging did all kind of scroll test then decided to change the FUEL REGULATOR 1000$ AND IT RUN VERY GOOD NOW !!Originally Posted by lalou
Enthusiast
went to dealer they change injector harness 700$ nochange still surging did all kind of scroll test then decided to change the FUEL REGULATOR 1000$ AND IT RUN VERY GOOD NOW !!
Wow, did the dealership at least give you a nice big kiss first? After?
2011 Chevrolet Tahoe 5.3L daily driver
- Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
- Total GM diesel miles to date : ~950K
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